Lucas
Thre are three ways to move a piece, 1 via drag and drop, second pressing origin and destination squares, and third pressing destination if only a piece can be moved...
In that case, disabling Visual effects (in the same window) is a better option.
A screenshot would help me.
Perhaps this can help: 
The weights in intermediate level: ADJUST_SOMEWHAT_BETTER_MORE_MORE: 5, ADJUST_SOMEWHAT_BETTER_MORE: 10, ADJUST_SOMEWHAT_BETTER: 25, ADJUST_SIMILAR: 60, ADJUST_WORSE: 25, ADJUST_SOMEWHAT_WORSE_LESS: 10, ADJUST_SOMEWHAT_WORSE_LESS_LESS: 5, 5/140 is the probability of very bad move. Depth limit, engine...
It is configured in Options/Configuration/Perfomance: 
Problem is that this change implies, to migrate from pyqt4 to pyqt5, and from python 2 to python 3. Not an easy way at all. Perhaps the font change could...
Yes, Paladin y Hannibal, both doesn´t work with 32 bits PC with old processor. I have to remove.
I have recompiled Paladin, to work with old 32 bits processors. And Hannibal, I have changed to version 1.4b, as it works in 32 bits old.